lichen
A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.Parmeliaceae. Found in China, it was first formally described as a new species in 1980 as ''Parmelia subverruculifera''. It was transferred to the segregate genus ''
Melanelia
''Melanelia'' is a genus of lichenized fungi in the family Parmeliaceae. The genus was circumscribed
In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices of the polygon. The cent ...
'' in 1991, and then to the genus ''
Melanohalea
''Melanohalea'' is a genus of foliose lichens in the family Parmeliaceae. It contains 30 mostly Northern Hemisphere species that grow on bark or on wood. The genus is characterized by the presence of pseudocyphellae, usually on warts or on ...